around a BGA) and then apply the NFP removal/restoration only to that area. This allows you to select part of the board (e.g. The applied range on the layout is by default the entire board but you can gate it to work on a selection. In Proteus removing non functional pads from vias is done via a simple menu command on the Edit Menu. These can be removed to either make space and improve routing in tight areas or to reduce unwanted/unnecessary capacitance in sensitive designs.ĭespite the name we almost always mean vias rather than component pin holes/pads when we talk about NFPs and the automated tools provided in the software therefore apply to vias only (annular rings in pads are handled by padstacks). A non-functional pad is just a pad in a printed circuit board that is not connected to a track on the layer it is on.
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